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WST de-energized, triple-phase,linear tap changer(central voltage regulation). Opening dimensions Φ61

De-energized linear tap changer

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WST de-energized, triple-phase,linear tap changer(central voltage regulation). Opening dimensions Φ61

WST de-energized, triple-phase,linear tap changer(central voltage regulation). Opening dimensions Φ61

Designed for triple-phase oil-insulated transformers, this tap changer is suitable for frequencies of 50Hz and 60Hz. It is compatible with transformers with a maximum equipment voltage of 10kV and 24kV, and a rated through-current of 30A and 63A. The tap changer can be directly fixed on the transformer tank cover and replaced when the transformer is de-energized.

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    product details

    Model Meaning

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    Advantages

    It applies to large current transformer of 400A, 500A and has compact structure, easy install, excellent contact
    1. With its compact and well-designed structure, the tap changer can be easily installed in spaces with low requirements for installation.
    2. Equipped with a flexible gear shifting design, the tap changer enables accurate positioning and effortless adjustment to meet a wide range of needs, achieving efficient control.
    3. With its low contact resistance, the tap changer ensures the circuit operates with stability and efficiency.
    4. Manufactured in a standardized manner, the tap changer can be specially designed to meet specific needs. It provides significant cost savings without compromising on quality. 

    Technical Data

    Phase Triple
    Rated voltage 10kV
    Rated current 400A,500A
    Voltage regulation 0.025
    Tapping positions 3～5

    Voltage Regulation Principle

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    Outline

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    Model No. Install Dimension
    L D F E a n G H H1
    WSTⅢ5 400～500／10-3×3 802 101 156 111 32 2 113 115 78
    WSTⅢ5 400～500／10-5×5 1059 174 156 111 32 4 113 115 78

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